Spinal distraction structure



FIG. 1 is a bird's-eye isometric view showing the front, top, and side of my new ornamental design for a spinal distraction structure;

FIG. 2 is a top plan view of the spinal distraction structure shown in FIG. 1;

FIG. 3 is a side elevational view of the spinal distraction structure shown in FIG. 1, the opposite side of which is a mirror image;

FIG. 4 is a front elevational view of the spinal distraction structure shown in FIG. 1; and,

FIG. 5 is a rear elevational view of the spinal distraction structure shown in FIG. 1.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a spinal distraction structure, as shown and described. 